/* ========================================
   抖阴 - 植物视频社区 全站样式表
   品牌：抖阴 | 域名：LxivwcL.cn
   ======================================== */

/* === 基础重置 === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#333;line-height:1.8;background:#f8faf8}
a{color:#2d8f4e;text-decoration:none;transition:color .3s}
a:hover{color:#1a6b35}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#1a1a1a}

/* === 容器 === */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h1{font-size:2.2rem;color:#1a1a1a;margin-bottom:8px}
.section-title h2{font-size:1.4rem;color:#2d8f4e;margin-bottom:10px;font-weight:600}
.section-title p{color:#666;font-size:1.05rem;max-width:800px;margin:0 auto 8px}

/* === 更新时间标签 === */
.update-badge{display:inline-block;background:#e8f5e9;color:#2d8f4e;padding:4px 16px;border-radius:20px;font-size:.85rem;margin-top:8px}

/* === 小标题 === */
.sub-heading{margin-bottom:25px;padding-bottom:10px;border-bottom:2px solid #e8f5e9;color:#1a1a1a}

/* === 头部导航 === */
.site-header{background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.08);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1200px;margin:0 auto}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:42px;width:auto}
.logo-wrap span{font-size:1.4rem;font-weight:800;color:#2d8f4e}
.main-nav{display:flex;gap:0}
.main-nav a{padding:10px 16px;font-size:.95rem;color:#333;font-weight:500;transition:all .3s;border-bottom:2px solid transparent}
.main-nav a:hover,.main-nav a.active{color:#2d8f4e;border-bottom-color:#2d8f4e}
.mobile-menu-btn{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:#333}

/* === 搜索框 === */
.search-bar{background:#f0f7f0;padding:15px 0;border-bottom:1px solid #e0e8e0}
.search-inner{max-width:700px;margin:0 auto;display:flex;gap:10px;padding:0 20px}
.search-inner input{flex:1;padding:10px 18px;border:2px solid #c8dcc8;border-radius:25px;font-size:.95rem;outline:none;transition:border-color .3s}
.search-inner input:focus{border-color:#2d8f4e}
.search-inner button{padding:10px 28px;background:#2d8f4e;color:#fff;border:none;border-radius:25px;font-size:.95rem;cursor:pointer;transition:background .3s}
.search-inner button:hover{background:#1a6b35}

/* === Banner === */
.hero-banner{position:relative;height:520px;overflow:hidden;background:#1a1a1a}
.hero-banner img{width:100%;height:100%;object-fit:cover;opacity:.85}
.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to bottom,rgba(0,0,0,.3),rgba(0,0,0,.6));display:flex;align-items:center;justify-content:center}
.hero-content{text-align:center;color:#fff;max-width:800px;padding:0 20px}
.hero-content h1{font-size:2.8rem;margin-bottom:15px;text-shadow:2px 2px 8px rgba(0,0,0,.5)}
.hero-content p{font-size:1.15rem;margin-bottom:25px;text-shadow:1px 1px 4px rgba(0,0,0,.4)}
.hero-content .btn-primary{display:inline-block;padding:14px 36px;background:#2d8f4e;color:#fff;border-radius:30px;font-size:1.05rem;font-weight:600;transition:all .3s;box-shadow:0 4px 15px rgba(45,143,78,.4)}
.hero-content .btn-primary:hover{background:#1a6b35;transform:translateY(-2px);box-shadow:0 6px 20px rgba(45,143,78,.5)}

/* === 视频卡片 === */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:25px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:all .3s}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#eee}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(45,143,78,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer}
.play-btn::after{content:"";border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.8rem}
.video-stats{position:absolute;bottom:8px;left:8px;display:flex;gap:10px}
.video-stats span{background:rgba(0,0,0,.65);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem}
.video-info{padding:15px}
.video-info h3{font-size:1.05rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-info .meta{display:flex;justify-content:space-between;color:#888;font-size:.85rem}
.video-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.video-tags span{background:#e8f5e9;color:#2d8f4e;padding:2px 10px;border-radius:12px;font-size:.78rem}

/* === 模块卡片 === */
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px;margin-bottom:30px}
.module-card{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:all .3s}
.module-card:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,0,0,.12)}
.module-card .icon{font-size:2.5rem;margin-bottom:15px}
.module-card h3,.module-card h4{font-size:1.15rem;margin-bottom:10px;color:#1a1a1a}
.module-card p{color:#666;font-size:.92rem}

/* === 专家展示 === */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:30px;margin-bottom:30px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);text-align:center;transition:all .3s}
.expert-card:hover{transform:translateY(-3px)}
.expert-card img{width:100%;height:260px;object-fit:cover}
.expert-card .info{padding:20px}
.expert-card h4{font-size:1.1rem;margin-bottom:5px}
.expert-card .title{color:#2d8f4e;font-size:.9rem;margin-bottom:10px}
.expert-card .expert-credentials{font-size:.82rem;color:#888;margin-bottom:10px;line-height:1.6}
.expert-card p{color:#666;font-size:.88rem;margin-bottom:15px}
.expert-card .btn-sm,.btn-sm{display:inline-block;padding:8px 20px;background:#2d8f4e;color:#fff;border-radius:20px;font-size:.85rem;transition:background .3s}
.expert-card .btn-sm:hover,.btn-sm:hover{background:#1a6b35;color:#fff}

/* === 内容块 === */
.content-block{margin-top:40px;padding:30px;background:#fff;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.content-block h3{margin-bottom:15px;color:#1a1a1a}
.content-block p{color:#555;line-height:2;margin-bottom:12px}
.content-block p:last-child{margin-bottom:0}

/* === 关于页面 === */
.about-content{max-width:900px;margin:0 auto}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 8px rgba(0,0,0,.05);overflow:hidden}
.faq-item .faq-q{padding:18px 25px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-item .faq-q:hover{background:#f0f7f0}
.faq-item .faq-q::after{content:"+";font-size:1.3rem;color:#2d8f4e;transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 25px;max-height:0;overflow:hidden;transition:all .3s;color:#555;line-height:1.8}
.faq-item.active .faq-a{padding:0 25px 18px;max-height:500px}

/* === 评论 === */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.review-card{background:#fff;border-radius:12px;padding:25px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.review-card .stars{color:#f5a623;font-size:1.1rem;margin-bottom:10px}
.review-card .content{color:#555;font-size:.95rem;margin-bottom:15px;font-style:italic}
.review-card .author{display:flex;align-items:center;gap:10px}
.review-card .author .avatar{width:40px;height:40px;border-radius:50%;background:#e8f5e9;display:flex;align-items:center;justify-content:center;color:#2d8f4e;font-weight:700}
.review-card .author .name{font-weight:600;font-size:.9rem}
.review-card .author .date{color:#999;font-size:.8rem}

/* === 合作品牌 === */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall .brand-item{padding:15px 25px;background:#fff;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.06);font-size:1rem;font-weight:600;color:#555;transition:all .3s}
.brand-wall .brand-item:hover{box-shadow:0 4px 15px rgba(0,0,0,.12);color:#2d8f4e}

/* === 联系我们 === */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px}
.contact-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.contact-card h4{font-size:1.1rem;margin-bottom:15px;color:#2d8f4e}
.contact-card p{margin-bottom:8px;color:#555}
.contact-card .qr-wrap{text-align:center;margin-top:15px}
.contact-card .qr-wrap img{max-width:180px;margin:0 auto}

/* === 分享按钮 === */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:25px;color:#fff;font-size:.9rem;transition:all .3s;cursor:pointer}
.share-btn:hover{transform:translateY(-2px);opacity:.9}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#00a1d6}

/* === 页脚 === */
.site-footer{background:#1a2e1a;color:#ccc;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:#fff;font-size:1.05rem;margin-bottom:15px}
.footer-col p,.footer-col a{color:#aaa;font-size:.9rem;line-height:2}
.footer-col a:hover{color:#4ade80}
.footer-logo-wrap{margin-top:15px}
.footer-logo-wrap img{max-width:120px;border-radius:8px}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);color:#888;font-size:.85rem}
.footer-bottom p{margin-bottom:6px}
.footer-qr{display:flex;gap:20px;justify-content:center;margin:20px 0}
.footer-qr img{max-width:120px;border-radius:8px}
.qr-label{color:#aaa;font-size:.82rem;margin-top:6px;text-align:center}

/* === 面包屑 === */
.breadcrumb{padding:12px 0;font-size:.88rem;color:#888}
.breadcrumb a{color:#2d8f4e}
.breadcrumb span{margin:0 8px;color:#ccc}
.breadcrumb .current{color:#666}

/* === 干扰标签隐藏 === */
.dz-noise{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}

/* === 懒加载占位 === */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}

/* === MCP前端占位 === */
.mcp-widget{background:#f5f5f5;border:1px dashed #ccc;border-radius:10px;padding:30px;text-align:center;color:#999;margin:20px 0}

/* === 响应式 === */
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;flex-direction:column;width:100%;padding:10px 0}
  .main-nav.show{display:flex}
  .mobile-menu-btn{display:block}
  .hero-banner{height:350px}
  .hero-content h1{font-size:1.8rem}
  .hero-content p{font-size:.95rem}
  .video-grid{grid-template-columns:1fr}
  .module-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:40px 0}
  .search-inner{flex-direction:column}
  .search-inner button{width:100%}
  .content-block{padding:20px}
}
@media(max-width:480px){
  .hero-banner{height:280px}
  .hero-content h1{font-size:1.5rem}
  .container{padding:0 15px}
}